Toothbrush



FIG. 1 is a front elevational view of an embodiment of the new design shown with the handle-legs thereof in closed position;

FIG. 2 is a front elevational view of the embodiment of FIG. 1 shown with the handle-legs thereof in opened position; and,

FIG. 3 is a side elevational view of the embodiment of FIG. 1 shown with the handle-legs thereof in opened position.

The top, bottom, rear and left side of the toothbrush form no part of the claimed design. 

The ornamental design for toothbrush, as shown and described. 